Coolant is added to car radiators to keep the water from becoming a gas and evaporating when the car gets hot. Which physical property of water is the coolant affecting in this case?

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the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

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